Home / 13,009,892.92-19,513,067.88-3,424,468.76

Finding the Fourth Proportional to 13,009,892.92, 19,513,067.88 and 3,424,468.76

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Solution

The fourth proportional to 13,009,892.92, 19,513,067.88 and 3,424,468.76 is: 5,136,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,892.92 : 19,513,067.88 = 3,424,468.76 : x
  2. Step 2: Convert to fraction form
    13,009,892.92/19,513,067.88 = 3,424,468.76/x
  3. Step 3: Cross multiply
    13,009,892.92x = 19,513,067.88 × 3,424,468.76
  4. Step 4: Simplify right side
    13,009,892.92x = 66,821,891,366,819.42
  5. Step 5: Solve for x
    x = 66,821,891,366,819.42/13,009,892.92
  6. Step 6: Final answer
    x = 5,136,236.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.